RXGate

class RXGate(theta, label=None)

Bases: qiskit.circuit.gate.Gate

Single-qubit rotation about the X axis.

Circuit symbol:

     ┌───────┐
q_0: ┤ Rx(ϴ) ├
     └───────┘

Matrix Representation:

\providecommand{\th}{\frac{\theta}{2}}\\\begin{split}RX(\theta) = exp(-i \th X) = \begin{pmatrix} \cos{\th} & -i\sin{\th} \\ -i\sin{\th} & \cos{\th} \end{pmatrix}\end{split}

Create new RX gate.

Methods Defined Here

control

RXGate.control(num_ctrl_qubits=1, label=None, ctrl_state=None)

Return a (multi-)controlled-RX gate.

Parameters

num_ctrl_qubits (int) – number of control qubits.
label (str or None) – An optional label for the gate [Default: None]
ctrl_state (int or str or None) – control state expressed as integer, string (e.g. ‘110’), or None. If None, use all 1s.

Returns

controlled version of this gate.

Return type

ControlledGate

inverse

RXGate.inverse()

Return inverted RX gate.

RX(\lambda)^{\dagger} = RX(-\lambda)

Attributes

condition_bits

Get Clbits in condition.

Return type

List [Clbit]

decompositions

Get the decompositions of the instruction from the SessionEquivalenceLibrary.

definition

Return definition in terms of other basic gates.

duration

Get the duration.

label

Return instruction label

Return type

str

params

return instruction params.

unit

Get the time unit of duration.

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